BIO 254 Exam 1: Written Exam Questions and Answers 100% Solved

BIO 254 Exam 1: Written Exam Questions and Answers 100% Solved Endocrine System ️️Works through hormones; responses typically occur more slowly and last longer Maintains water balance, electrolyte concentration, metabolism, growth, reproduction, cardiac activity and immune function ️️Functions of the Endocrine System cell membrane, cytosol, nucleus ️️Where are hormone receptors found Alter protein synthesis, change reaction rates within a cell, change membrane transport and permability ️️How do hormones cause changes? Reaction from cell to hormone is based on the receptor-hormone interaction ️️Why dont all cells respond to hormones in the same way? Water solubility, chemical composition, target location ️️How are hormones classified? Water soluble ️️Polar molecules that dissolve in the blood; restricted to receptors located on the cell membrane of the target cells Lipid soluble ️️Non polar molecules that require transport proteins to travel though the body; can bind to receptors within the cell such as the nucleus or in the cytosol Steroids ️️Lipid soluble hormones constructed from sterol organic molecules